what are the risks for obama right now. >> the risks are doing a weak deal that preserves iran to break out and continue on their nuclear weapons program. one reason that secretary kerry did not sign on, pushed by the french in geneva, they have to make sure that before any sanctions are lifted that iran takes concrete steps that they couldn't violate the deal in a couple of months. >> in the end, it will come down to can you trust the iranians? >> you'll need serious inspectors on the ground to verify it. >> so, let me talk about domestic politics, you got governor chris christie on the broadcast this morning, this is a very much a man in the news, on the cover of "time" magazine, they called him the elephant in the room, a little bit of controversy with this, as he considers a presidential run, just having been reelected in new jersey, what are the challenges for him? >> he has several challenges. he also has a lot of momentum coming out of that big win. attracting votes from women, african-americans on the other hand, he has to find a way to, you know, reach out to independents and m